linux-kernel - Re: i810fb fails to load

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Date:	Mon, 22 Jan 2007 14:42:40 +0100
From:	Thomas Hellström <thomas@...gstengraphics.com>
To:	Tilman Schmidt <tilman@...p.cc>
CC:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	linux-fbdev-devel@...ts.sourceforge.net,
	Dave Airlie <airlied@...ux.ie>
Subject: Re: i810fb fails to load

Andrew Morton wrote:
>> On Mon, 15 Jan 2007 00:52:36 +0100 Tilman Schmidt <tilman@...p.cc> wrote:
>> With kernel 2.6.20-rc4-mm1 and all hotfixes, i810fb fails to load on my
>> Dell Optiplex GX110. Here's an excerpt of the diff between the boot logs
>> of 2.6.20-rc5 (working) and 2.6.20-rc4-mm1 (non-working):
>>
>> @@ -4,7 +4,7 @@
>>  No module symbols loaded - kernel modules not enabled.
>>
>>  klogd 1.4.1, log source = ksyslog started.
>> -<5>Linux version 2.6.20-rc5-noinitrd (ts@...10) (gcc version 4.0.2 20050901 (prerelease) (SUSE Linux)) #2 PREEMPT Sun Jan 14 23:37:12 CET 2007
>> +<5>Linux version 2.6.20-rc4-mm1-noinitrd (ts@...10) (gcc version 4.0.2 20050901 (prerelease) (SUSE Linux)) #3 PREEMPT Sun Jan 14 21:08:56 CET 2007
>>  <6>BIOS-provided physical RAM map:
>>  <4>sanitize start
>>  <4>sanitize end
>> @@ -188,7 +192,6 @@
>>  <6>ACPI: Interpreter enabled
>>  <6>ACPI: Using PIC for interrupt routing
>>  <6>ACPI: PCI Root Bridge [PCI0] (0000:00)
>> -<7>PCI: Probing PCI hardware (bus 00)
>>  <6>ACPI: Assume root bridge [\_SB_.PCI0] bus is 0
>>  <7>Boot video device is 0000:00:01.0
>>  <4>PCI quirk: region 0800-087f claimed by ICH4 ACPI/GPIO/TCO
>> @@ -238,20 +241,15 @@
>>  <6>isapnp: No Plug & Play device found
>>  <6>Real Time Clock Driver v1.12ac
>>  <6>Intel 82802 RNG detected
>> -<6>Linux agpgart interface v0.101 (c) Dave Jones
>> +<6>Linux agpgart interface v0.102 (c) Dave Jones
>>  <6>agpgart: Detected an Intel i810 E Chipset.
>>  <6>agpgart: detected 4MB dedicated video ram.
>>  <6>agpgart: AGP aperture is 64M @ 0xf8000000
>>  <4>ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 9
>>  <7>PCI: setting IRQ 9 as level-triggered
>>  <6>ACPI: PCI Interrupt 0000:00:01.0[A] -> Link [LNKA] -> GSI 9 (level, low) -> IRQ 9
>> -<4>i810-i2c: Probe DDC1 Bus
>> -<4>i810fb_init_pci: DDC probe successful
>> -<4>Console: switching to colour frame buffer device 160x64
>> -<4>I810FB: fb0         : Intel(R) 810E Framebuffer Device v0.9.0
>> -<4>I810FB: Video RAM   : 4096K
>> -<4>I810FB: Monitor     : H: 30-83 KHz V: 55-75 Hz
>> -<4>I810FB: Mode        : 1280x1024-8bpp@...z
>> +<4>i810fb_alloc_fbmem: can't bind framebuffer memory
>> +<4>i810fb: probe of 0000:00:01.0 failed with error -16
>>  <6>Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
>>  <6>serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>>  <6>serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
>>
>> Please let me know if you need more information.
>>
>>     
>
> Don't know.  But I bet someone on the Cc does...
>   
Tilman,
Thanks for reporting.
Can you try the attached patch to see if that fixes the problem.

Regards,
Thomas Hellström



View attachment "i810fix.diff" of type "text/x-patch" (845 bytes)